Contact: Lisa Van Pay
lvanpay@nsf.gov
703-292-8796
National Science Foundation

Channels in a Polymer Electrolyte Membrane Material Align When You Stretch It

Caption: This image illustrates how the channels in a polymer electrolyte membrane material change when you stretch it. On the left is an unstretched sample of the material. The middle sample has been stretched at a ratio of 2:1, while the sample on the right, which shows the most channel alignment, has been stretched at a ratio of 4:1.

Credit: Dr. Jing Li and Prof. Louis Madsen of Virginia Tech

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Related news release: Stretching old material yields new results for energy- and environment-related devices